Table 1.

Baseline characteristics according to tertiles of baseline Dialysis Symptom Index (DSI) scores

	Overall	Tertile 1	Tertile 2	Tertile 3	P-value
N (%)	122	40 (33)	39 (32)	43 (35)	N/A
DSI score (min–max)	0–100	< 15	15- < 32	≥ 32	N/A
Age (mean ± SD), years	60 ± 13	61 ± 12	58 ± 16	60 ± 12	0.50
Female (%)	51	43	54	56	0.43
Race/ethnicity (%)
Non-Hispanic White	8	5	8	12	0.72
Hispanic White	62	58	62	67
Black	22	30	23	14
Asian/Pacific Islander	6	5	8	5
Other	2	3	0	2
Diabetes (%)	67	70	59	72	0.41
Vintage (mean ± SD), months	81 ± 80	81 ± 50	69 ± 48	90 ± 117	0.50
Access (%)
AVG/AVF	93	95	90	95	0.59
Catheter	7	5	10	5
Marital status (%)
Married	37	45	31	35	0.20
Single	37	43	36	33
Other	26	13	33	33
Insurance (%)
Medicare/Medicaid	84	83	82	86	0.48
Kaiser, Private	11	8	15	12
Other	5	10	3	2
BMI (mean ± SD), kg/m2	30.1 ± 7.1	31.4 ± 7.3	28.7 ± 7.8	30.2 ± 5.9	0.37
Post weight (mean ± SD), lbs	181 ± 49	191 ± 44	171 ± 57	182 ± 44	0.34

SD, standard deviation; AVG/AVF, arteriovenous graft/arteriovenous fistula; BMI, body mass index; kg/m², kilogram/meter squared; lbs, pounds